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Re: DC resonant charging



Original poster: "Herwig Roscher" <herwig.roscher@xxxxxx>


Ed,

>     Based on experience here I doubt if you'll get as much as a milliamp.
- so it is in the same order of magnitude as the current from LOPTs.
These have the advantage of built-in HV-diodes  -  at least the diode-
split-transformers.

Jim,

> Here's the scoop... the typical car coil is designed to have the
> current be about 5A when the points open.... 1 Amp on the primary of a
> 100:1 transformer means you get 0.01 amps (10 mA) on the secondary.
- thank you for your detailed explanation and the link.

Mike,

> The current you get out will depend on two things:  1)  The input
> voltage to the ignition coil primary.
- so one should use 15 Vdc.

> 2)  Many use the light dimmer cirucuit to power the ignition coil.
- So the coil is always connected to mains voltage.

> The other way, is obviously to make a solid state driver for it with
> adjustable frequency and duty cycle.
- 555 or similar.

Tank you all for your help and advice!





Bye             Herwig

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Greed is the root of all evil !
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